| Cyclopropan | cyclopropane |
| Cyclopentan | cyclopentane |
| Cycloalkan | cycloalkane |
| Cyclobutan | cyclobutane |
| Cycloheptan | cycloheptane |
| Cyclohexan | cyclohexane |
| Cellophan | cellophane |
| Xylophon | xylophone |
| Propan | propane |
| Cyclodextrin | cyclodextrin |
| cyclisieren | cyclize |
| Cyclohexanol | cyclohexanol Cyclohexyl Alcohol Naxol hexahydrophenol hydrophenol hydroxycyclohexane |
| Cyclone | Cyclone |
| Kolophon | colophon |
| allophon | allophone |
| Allophon | allophone |
| italophon | Italian |
| ploppen | plop |
| Zellophan | cellophane |
| anglophon | Anglophone |